Although the UEFA Cup Winners' Cup no longer exists, there are 27 teams that have won it in the past who could still add wins in the other two competitions to achieve this UEFA treble, with nine of those teams just one trophy away from the feat.

Note: per criteria for achieving European Treble, shows first win only for any club with multiple wins of same competition.

Only once have three different clubs from the same country, Italy in 1989–90, won all three main UEFA club competitions in the same season, a feat that cannot be repeated since the UEFA Cup Winners' Cup no longer exists: